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Old 03-18-2010, 10:21 AM
  #4  
Prism99
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Join Date: Dec 2008
Location: Western Wisconsin
Posts: 12,930
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I would double-check the threading, both bobbin and top.

Some people recommend the little Teflon circles that you can put in the bobbin case with the bobbin. Said it eliminates birds nests on the back.
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